Table 2

Effectiveness of calendar – trend percentage of doses on time
Type of immunisation (scheduled immunisation point) Calendar received Percentage of doses on time (delay <31 days) Cochran-Armitage trend test
Immunisation given at AMSWS
No Yes Total p value
02 M Never 83.0% 89.2% 87.3% N/A
04 M Never 68.1% 56.8% 60.7% N/A
Last visit * 0.0% 90.3% 87.5% N/A
06 M Never 40.0% 43.2% 41.8% 0.0012
Before last visit** 66.7% 57.9% 59.1%
Last visit 0.0% 80.0% 74.1%
12 M Never 49.3% 55.0% 52.7% 0.0106
Before last visit 40.0% 79.3% 73.5%
Last visit 40.0% 79.2% 72.4%
18 M Never 42.5% 46.3% 44.7% <.0001
Before last visit 58.8% 67.7% 64.6%
Last visit 100.0% 87.5% 89.5%
all types Never 53.8% 59.2% 57.2% <.0001
Before last visit 56.0% 69.6% 66.4%
Last visit 45.5% 84.4% 80.4%

* Last visit = calendar was given at immediately preceding scheduled immunisation point, prompting this particular immunisation.

** Before last visit= calendar had been given at a previous immunisation point as a reminder for a previous dose, but not at the immunisation immediately preceding this scheduled immunisation.

N/A = Trend test not applicable.

Abbott et al.

Abbott et al. BMC Public Health 2013 13:598   doi:10.1186/1471-2458-13-598

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